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2025-12-09 - 02:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Dec 09, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18847212663,8sleep10-21swapper/119:08:261
18779212464,6sleep00-21swapper/019:07:320
18909212261,6sleep30-21swapper/319:09:163
18925211573,9sleep20-21swapper/219:09:272
50972670,0sleep30-21swapper/323:42:073
238462640,1sleep338-21rcuc/323:35:193
149002640,1sleep338-21rcuc/322:45:193
178372600,1sleep120-21rcuc/122:46:381
160392580,0sleep10-21swapper/122:15:211
324902560,1sleep00-21swapper/019:15:250
279372550,0sleep30-21swapper/323:22:533
226912550,0sleep20-21swapper/222:20:152
37632510,0sleep20-21swapper/220:15:182
1913099291,27cyclictest0-21swapper/221:13:512
1913099281,26cyclictest0-21swapper/221:52:222
1913099280,27cyclictest0-21swapper/219:37:212
1912299286,5cyclictest0-21swapper/000:28:420
1913099272,23cyclictest18979-21ssh23:34:422
1913099270,26cyclictest0-21swapper/223:28:082
1912599270,26cyclictest0-21swapper/123:42:081
1912299279,15cyclictest0-21swapper/000:09:480
1912299271,25cyclictest0-21swapper/023:20:440
19122992710,15cyclictest17653-21kworker/0:222:17:250
1912299270,26cyclictest0-21swapper/023:27:370
1912299270,26cyclictest0-21swapper/022:37:010
1912299270,26cyclictest0-21swapper/022:26:130
1912299270,24cyclictest0-21swapper/021:59:440
1913099260,25cyclictest0-21swapper/222:38:492
1913099260,25cyclictest0-21swapper/220:01:032
1913099260,24cyclictest12344-21fschecks_count21:30:152
19125992622,3cyclictest0-21swapper/121:50:541
1912599260,25cyclictest0-21swapper/120:38:271
1912599260,25cyclictest0-21swapper/120:28:421
1912599260,25cyclictest0-21swapper/120:09:421
1912299265,20cyclictest0-21swapper/000:04:440
19122992618,6cyclictest10272-21snmpd23:38:320
1912299260,25cyclictest0-21swapper/021:52:590
1912299260,25cyclictest0-21swapper/021:17:060
1913099251,23cyclictest0-21swapper/200:08:442
1913099250,19cyclictest0-21swapper/222:26:042
19125992517,7cyclictest0-21swapper/122:58:021
1912599250,24cyclictest0-21swapper/120:16:571
1912599250,24cyclictest0-21swapper/119:21:031
1912599250,19cyclictest0-21swapper/123:46:101
1912299257,15cyclictest17653-21kworker/0:222:30:540
19122992517,5cyclictest10272-21snmpd20:20:180
19122992514,5cyclictest0-21swapper/022:57:100
1912299251,21cyclictest0-21swapper/023:55:130
1912299250,5cyclictest0-21swapper/022:53:590
1912299250,2cyclictest0-21swapper/022:07:580
19130992422,2cyclictest0-21swapper/220:55:212
1913099242,21cyclictest0-21swapper/223:40:482
1913099242,21cyclictest0-21swapper/223:12:452
1913099242,21cyclictest0-21swapper/200:24:322
19130992417,6cyclictest0-21swapper/223:48:472
1913099240,23cyclictest0-21swapper/222:56:392
1913099240,18cyclictest0-21swapper/221:35:392
1912599242,20cyclictest0-21swapper/123:15:511
1912599242,20cyclictest0-21swapper/123:15:511
19125992417,7cyclictest0-21swapper/100:33:451
19125992415,8cyclictest0-21swapper/100:02:021
1912599240,23cyclictest0-21swapper/122:22:281
1912599240,18cyclictest0-21swapper/123:37:551
1912299248,13cyclictest0-21swapper/000:15:380
1912299247,15cyclictest0-21swapper/021:20:490
19122992416,7cyclictest10272-21snmpd20:32:540
19122992415,6cyclictest10272-21snmpd23:05:440
1912299241,22cyclictest0-21swapper/023:03:410
1912299240,23cyclictest0-21swapper/000:31:320
1912299240,21cyclictest0-21swapper/022:21:550
1912299240,17cyclictest0-21swapper/023:30:460
1912299240,17cyclictest0-21swapper/000:13:480
1913099232,20cyclictest0-21swapper/223:50:142
19130992316,6cyclictest0-21swapper/223:06:272
1913099231,21cyclictest0-21swapper/222:17:252
1913099231,21cyclictest0-21swapper/220:11:002
1913099231,21cyclictest0-21swapper/220:11:002
1913099230,22cyclictest0-21swapper/222:50:292
1913099230,22cyclictest0-21swapper/200:01:112
1913099230,17cyclictest0-21swapper/221:48:282
1912599230,22cyclictest0-21swapper/123:56:311
1912599230,22cyclictest0-21swapper/123:02:281
1912599230,22cyclictest0-21swapper/121:12:091
1912599230,22cyclictest0-21swapper/100:25:491
1912299236,15cyclictest0-21swapper/021:33:490
1912299234,4cyclictest0-21swapper/023:19:370
1912299234,4cyclictest0-21swapper/023:19:370
19122992315,7cyclictest10272-21snmpd19:38:210
19122992313,4cyclictest0-21swapper/022:13:440
19122992313,3cyclictest0-21swapper/022:04:030
1912299230,22cyclictest0-21swapper/022:45:460
1912299230,21cyclictest0-21swapper/023:14:450
1912299230,20cyclictest0-21swapper/023:45:460
1912299230,18cyclictest26428-21ssh23:52:200
1912299230,17cyclictest0-21swapper/022:40:010
1912299230,10cyclictest0-21swapper/021:49:350
1912299230,10cyclictest0-21swapper/021:12:060
1913099222,19cyclictest0-21swapper/222:05:072
1913099222,19cyclictest0-21swapper/221:18:542
19130992218,2cyclictest15617-21lldpd21:40:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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